[Cryptography] Does Simon effectively use the Toffoli Gate as it's Feistel function?

[Peter Fairbrother]

On 30/08/15 09:36, Ryan Carboni wrote:
> Does Simon effectively use the Toffoli Gate as it's Feistel function?


No.

The Simon function has three inputs. S1, S8 and S2, but only two 
outputs. There is an AND of S1 and S2.


Nor should it - reversibility in a "Fiestel function" is at best suspect.


-- Peter Fairbrother